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Mechanistic Level Example Modular Representation. Psychological. S S learning. FEAR. APPETITIVE. Coincidence detectors. Neurobiological. CEREBELLUM. AMYGDALA. Neurochemical. Synaptic receptors. NMDA. GABA. S. S. S. S. Second-messenger systems. Cell-molecular. cAMP.

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slide1

Mechanistic Level Example Modular Representation

Psychological

SS learning

FEAR

APPETITIVE

Coincidence detectors

Neurobiological

CEREBELLUM

AMYGDALA

Neurochemical

Synaptic receptors

NMDA

GABA

S

S

S

S

Second-messenger systems

Cell-molecular

cAMP

ARACHIDONIC ACID

SPECIFICITY

8.1

slide2

Determinants of performance

Learning factors

Signal/Response

strength

Sensory/Perception

detection

Acquired

behavior

Motivation

Contextual variables

Motor control

Memory retrieval

8.2

slide3

Cranium/Brain

Vertebrates

Annelids

Mollusks

Arthropods

  • Ganglionar nervous system

Nematods

  • CNS
  • Bilateral symmetry

Flatworms

  • Neurons
  • Radial symmetry

Cnidarians

Sponges

8.3

slide4

(a)

(b)

8.4

slide5

8.5

(a)

(b)

(c)

(d)

slide6

Paired with the

US in Phase 2

Not paired with the US in Phase 2

8.6

slide7

Nt

Aplysia

(Mollusks)

Drosophila

(Arthropods)

Mouse

(Chordates)

Long-

term

memory

cAMP

PKA

CREB

DNA

> 530 Mya

CRE

Nucleus

Cytoplasm

8.7

slide8

8.8

Saccharin

Flashing light

Shock

slide9

Effective stimuli

Defensive mode

Responses

Increased predatory imminence

Contact with

predator

Circa strike

Defensive attack

Threat display

Predator

detected

Post-encounter

Flight

Freezing

Reorganization

of feeding

Signals of

Potential

danger

Pre-encounter

Protective nest

maintenance

8.9

slide10

A

X

B

Platform

C

8.10

slide11

8.11

100

10

Hippocampus Volume (mm3)

1

100

1000

Telencephalon Volume (mm3)

slide12

8.12

Preexposure

Conditioning

slide14

Mammals (Rats)

Birds (Pigeons)

Reptiles (Turtles)

SNC

Amphibians (Toads)

Bony Fish (Goldfish)

Reversed SNC

8.14

slide15

Insight Learning

Continuity View

S

R

Learning

S

R

?

?

S

R

Trials

Trials

8.15